Patent Number: 6,305,516

Title: Ratchet tool

Abstract: A ratchet tool includes a handle with a tubular member extending therefrom in which a cylindrical member is received. A sleeve is rotatably mounted to the cylindrical member. The cylindrical member has three plain surface defined in a periphery thereof and the sleeve has an inner tube which is inserted between the cylindrical member and the tubular member. The cylindrical member has three plain surfaces and the inner tube has three recesses, each recess having a roller retained therein between the inner tube and the cylindrical member. When rotating the sleeve, the rollers contact the plain surfaces so as to let the tool be rotated in one way, and the sleeve is fixedly connected to the cylindrical member when the periphery of the cylindrical member contacts the rollers.

Inventors: Wei; Yong Lung (Taichung, TW)


International Classification: B25B 13/00 (20060101); B25B 15/04 (20060101); B25B 13/46 (20060101); B25B 15/00 (20060101); F16D 41/066 (20060101); F16D 41/00 (20060101); B25B 013/46 (); F16D 041/08 ()

Expiration Date: 10/23/2018